California communities under siege from wind-driven fires

Megan Diskin

Flames from a wildfire loom up over a neighborhood in Santa Paula, Calf., Monday, Dec. 4, 2017. Ventura County fire officials say the blaze broke out Monday east of Santa Paula, a city of 30,000 people about 60 miles northwest of downtown Los Angeles. Powerful winds are pushing the blaze west toward the city along Highway 150, which is shut down. (Megan Diskin/The Ventura County Star via AP)

Thousands of homes have been evacuated after a wind-whipped wildfire exploded overnight in Southern California. The fire has burned through at least 40 square miles northwest of Los Angeles. (Dec. 5)

Ryan Cullom

In this photo provided by the Ventura County Fire Department, a firefighter works to put out a blaze early Tuesday, Dec. 5, 2017, in Santa Paula, Calif. Authorities said the file broke out Monday and grew wildly in the hours that followed, consuming vegetation that hasn't burned in decades. (Ryan Cullom/Ventura County Fire Department via AP)

Ryan Cullom

In this photo provided by the Ventura County Fire Department, firefighters work to put out a blaze burning homes early Tuesday, Dec. 5, 2017, in Ventura, Calif. Authorities said the blaze broke out Monday and grew wildly in the hours that followed, consuming vegetation that hasn't burned in decades. (Ryan Cullom/Ventura County Fire Department via AP)

Noah Berger

Seen from Carpinteria, Calif., smoke from a wildfire billows over Ventura, on Tuesday, Dec. 5, 2017. (AP Photo/Noah Berger)

Flames consume a home on Via Arroyo as a wildfire rages in Ventura, Calif., on Tuesday, Dec. 5, 2017. (AP Photo/Noah Berger)

Noah Berger

A firefighter tries to keep flames from spreading while battling a wildfire in Ventura, Calif., on Tuesday, Dec. 5, 2017. (AP Photo/Noah Berger)

Jae C. Hong

A man rides his bike past a home consumed by a wildfire Tuesday, Dec. 5, 2017, in Ventura, Calif. (AP Photo/Jae C. Hong)

Jae C. Hong

Flames rise near a home as a wildfire burns in Ventura, Calif., on Tuesday, Dec. 5, 2017. Ferocious winds in Southern California have whipped up explosive wildfires, burning a psychiatric hospital and scores of other structures. (AP Photo/Jae Hong)

Jae C. Hong

Firefighters put out a flames burning a home Tuesday, Dec. 5, 2017, in Ventura, Calif. Authorities said the blaze broke out Monday and grew wildly in the hours that followed, consuming vegetation that hasn't burned in decades. (AP Photo/Jae C. Hong)

Jae C. Hong

Firefighters put out a wildfire burning in an orchard Tuesday, Dec. 5, 2017, in Santa Paula, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes and other structures Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

Amanda Lee Myers

Bob Pazen's home is a smoldering ruin after after a wildfire swept through Ventura, Calif., Tuesday, Dec. 5, 2017. Pazen was in bed Monday night when his son came in and told them they needed to evacuate. Pazen, his wife, son and the family dog evacuated from the home, grabbing just a few pieces of clothing and jewelry. When he came back to check on his home Tuesday morning, his house was fine, but when he returned later, the house was fully engulfed in flames. (AP Photo/Amanda Lee Myers)

Jae C. Hong

A firefighter pulls a water hose as a wildfires continues to burn Tuesday, Dec. 5, 2017, in Santa Paula, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes and other structures Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

Chris Carlson

A Los Angeles County firefighter prepares to battle a hot spot on the "Creek Fire" in the Lake View Terrace area of Los Angeles, Tuesday, Dec. 5, 2017. (AP Photo/Chris Carlson)

Jae C. Hong

Two people walk along the beach with a dog as a wildfire burns in distance Tuesday, Dec. 5, 2017, in Ventura, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

Amanda Lee Myers

Lisa Kermode, second from right, and her children, from left, Damien, Lola and Michael, pose outside the ruins of their home after a wildfire swept through Ventura, Calif., Tuesday, Dec. 5, 2017. They were home Monday night when Lisa started to smell smoke and her phone buzzed with an alert, urging residents to evacuate. "Within an hour, it was here," she said. "We left. We grabbed nothing," she said Tuesday. "We lost everything." (AP Photo/Amanda Lee Myers)

Jae C. Hong

The sun is seen through thick smoke generated by a wildfire Tuesday, Dec. 5, 2017, in Santa Paula, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes and other structures Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

A wildfire continues to burn as its red glow is reflected on the beach Tuesday, Dec. 5, 2017, in Ventura, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

Daniel Dreifuss

A firefighter hoses down the remains of a destroyed home after the Thomas fire swept through Ventura, Calif., Tuesday, Dec. 5, 2017. (Daniel Dreifuss via AP)

Chris Carlson

A Los Angeles County firefighter puts water on a burning roof during a wildfire in the Lake View Terrace area of Los Angeles Tuesday, Dec. 5, 2017. Ferocious winds in Southern California have whipped up explosive wildfires, burning a psychiatric hospital and scores of other structures. Tens of thousands of people have been ordered evacuated. (AP Photo/Chris Carlson)

Chris Carlson

A Los Angeles County firefighter walks past burning house during a wildfire in the Lake View Terrace area of Los Angeles Tuesday, Dec. 5, 2017. Ferocious winds in Southern California have whipped up explosive wildfires, burning a psychiatric hospital and scores of other structures. Tens of thousands of people have been ordered evacuated. (AP Photo/Chris Carlson)

Chris Carlson

A Los Angeles County firefighter puts water on a burning house during a wildfire in the Lake View Terrace area of Los Angeles Tuesday, Dec. 5, 2017. Ferocious winds in Southern California have whipped up explosive wildfires, burning a psychiatric hospital and scores of other structures. Tens of thousands of people have been ordered evacuated. (AP Photo/Chris Carlson)

Jae C. Hong

Two people walk along the beach with a dog as a wildfire burns in distance Tuesday, Dec. 5, 2017, in Ventura, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes and other structures Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

A Los Angeles County firefighter puts water a burning house in a wildfire in the Lake View Terrace area of Los Angeles Tuesday, Dec. 5, 2017. Ferocious winds in Southern California have whipped up explosive wildfires, burning a psychiatric hospital and scores of other structures. Tens of thousands of people have been ordered evacuated. (AP Photo/Chris Carlson)

Daniel Dreifuss

A woman cries as she covers her face near her destroyed home a wildfire swept through Ventura, Calif., Tuesday, Dec. 5, 2017. (Daniel Dreifuss via AP)

A Los Angeles County firefighter puts water on a burning car during a wildfire in the Lake View Terrace area of Los Angeles Tuesday, Dec. 5, 2017. Ferocious winds in Southern California have whipped up explosive wildfires, burning a psychiatric hospital and scores of other structures. Tens of thousands of people have been ordered evacuated. (AP Photo/Chris Carlson)

Chris Carlson

A Los Angeles County firefighter puts water on a burning car during a wildfire in the Lake View Terrace area of Los Angeles Tuesday, Dec. 5, 2017. For the second time in two months, wind-driven fires tore through California communities in the middle of the night, leaving rows of homes and a psychiatric hospital in ruins Tuesday and sending tens of thousands of people fleeing for their lives. (AP Photo/Chris Carlson)

Jae C. Hong

A firefighter pulls a water hose as a wildfires continues to burn Tuesday, Dec. 5, 2017, in Santa Paula, Calif. Raked by ferocious Santa Ana winds, explosive wildfires northwest of Los Angeles and in the city's foothills burned a psychiatric hospital and scores of homes and other structures Tuesday and forced the evacuation of tens of thousands of people. (AP Photo/Jae C. Hong)

Authorities are urging tens of thousands of people to flee their homes as wind-driven wildfires scour communities northwest of Los Angeles. Two fires have burned about 30 homes and are being pushed by Santa Ana gusts. (Dec. 5)

California's wildfires continued to spread under the influence of strong winds on Tuesday. In video footage, cameras caught a horse galloping down a road in an attempt to save itself from the flames. (Dec. 5)

Wildfires driven by winds approaching hurricane force swept across Southern California Monday night into Tuesday, scorching thousands of acres and destroying hundreds of structures - from Ventura County to communities north of Los Angeles. (Dec. 5)

Chris Carlson

A car burns during a wildfire in the Lake View Terrace area of Los Angeles, Tuesday, Dec. 5, 2017. (AP Photo/Chris Carlson)

Chris Carlson

A water dropping helicopter flies over a hot spot on the Creek Fire in the Lake View Terrace area of Los Angeles, Tuesday, Dec. 5, 2017. (AP Photo/Chris Carlson)

Chris Carlson

A Los Angeles County firefighter pulls a hose to protect a house during wildfire in the Lake View Terrace area of Los Angeles, Tuesday, Dec. 5, 2017. (AP Photo/Chris Carlson)

Chris Carlson

A water dropping helicopter flies over a hot spot on the Creek Fire in the Lake View Terrace area of Los Angeles, Tuesday, Dec. 5, 2017. (AP Photo/Chris Carlson)

Chris Carlson

A Los Angeles County firefighter pulls a firehose in the smoke from a wildfire in the Lake View Terrace area of Los Angeles, Tuesday, Dec. 5, 2017. (AP Photo/Chris Carlson)

VENTURA, Calif. (AP) — Wind-driven fires tore through California communities Tuesday for the second time in two months, leaving hundreds of homes feared lost and uprooting tens of thousands of people.

The most damaging fire was in Ventura County northwest of Los Angeles, where 150 structures were confirmed destroyed. But a fire official said he suspected "hundreds more" would be lost when flames died down enough to make a thorough assessment.

In the San Gabriel Mountains foothills of Los Angeles about 45 miles (72 kilometers) away from the city, 30 structures burned. Mayor Eric Garcetti said the gusty winds expected to last most of the week had created a dangerous situation and he urged 150,000 people under mandatory evacuation orders to leave their homes before it's too late.

"We have lost structures, we have not lost lives," he said. "Do not wait. Leave your homes."

The fires in Ventura County lit up hillsides and spread rapidly Monday evening from rural rolling hills to dense subdivisions. Residents, already warned of extreme fire danger, were sent automated phone alerts and evacuations appeared to proceed smoothly.

As the sun rose Tuesday, the first of at least three additional Southern California fires broke out, fueled by stiff winds that prevented firefighting aircraft most of the day from dumping water to protect homes or attack the march of flames.

In addition to prompting hasty evacuations, the fires shut down two freeways for hours and sent heavy, acrid smoke billowing over the Los Angeles area, creating a health hazard for millions.

There were no immediate reports of any deaths. Two people were critically injured in a small San Bernardino County fire, but no other serious injuries were reported. The fires were under investigation and no causes had been found.

The Ventura wildfire exploded to nearly 80 square miles (207 square kilometers) in a matter of hours. It was fanned by dry Santa Ana winds clocked at well over 60 mph (96 kph) and spit embers up to a half-mile (0.8 kilometers) ahead of fire lines.

Lisa Kermode ignored the first evacuation alert that buzzed on her phone when it said the fire was 15 miles (24 kilometers) away from her home. But the flames were nearly on top of her an hour later when she rounded up her three children, still in their pajamas, and told them to grab some jeans so they could leave.

They returned home Tuesday to find their home and world in ashes, including a Christmas tree and the presents they had just bought.

"We got knots in our stomach coming back up here," Kermode said. "We lost everything, everything, all our clothes, anything that was important to us. All our family heirlooms — it's not sort of gone, it's completely gone."

The fires came just eight weeks after the deadliest and most destructive series of wildfires in state history burned through Northern California and its fabled wine country and killed 44 people dead and destroyed 8,900 homes and other buildings.

Fires are not typical in Southern California this time of year but can break out when dry vegetation and too little rain combine with the Santa Ana winds. Hardly any measurable rain has fallen in the region over the past six months.

Like the deadly October fires in Napa and Sonoma counties, the new blazes were in areas more suburban than rural.

Fires in those settings are likely to become more frequent as climate change makes fire season a year-round threat and will put greater pressure on local budgets, said Char Miller, a professor of environmental analysis at Pomona College who has written extensively about wildfires.

"There are going to be far greater numbers that are going to be evacuated, as we're seeing now," Miller said. "These fires are not just fast and furious, but they're really expensive to fight."

Some 3,000 homes remained under threat in Ventura County, said Todd Derum of the California Department of Forestry and Fire Protection. Officials expect a better assessment of damage Wednesday, but suspect "hundreds more" homes were lost, Derum said.

Mansions and modest homes alike were in flames in Ventura. The Hawaiian Village Apartments burned to the ground. The Vista del Mar Hospital, which treats patients with mental problems or substance abuse, including veterans with post-traumatic stress syndrome, smoldered after dawn. All patients were safely evacuated.

Aerial footage showed dozens of homes in one neighborhood burned to the ground and a large subdivision in jeopardy as embers blew about wildly. Burned-out cars sat on their wheel rims next to destroyed homes.

More than 27,000 people were evacuated, and one firefighter suffered bumps and bruises in a vehicle accident in Ventura County.

The fire erupted near Santa Paula, a city of about 30,000 people about 60 miles (97 kilometers) northwest of Los Angeles known for its citrus and avocado orchards and farm fields along the Santa Clara River.

"We had the fire come through here, pretty dramatically, all night long," said Karen Heath-Karayan, who stayed up with her husband to douse embers that rained on their home and small lot where they sell Christmas trees. "It was really scary."

They were ordered to evacuate as flames got within about 100 yards (90 meters), but decided to protect their property and chickens and goats. They hosed down their roof and hit hotspots before winds pushed the fire over a hill toward Ventura, a city of 106,000.

"It was just exponential, huge growth because the winds, 50 mile an hour out of the east, were just pushing it and growing it very, very large, very quickly," Ventura County Fire Chief Mark Lorenzen said.

The fire on the northern edge of Los Angeles near the city's Sylmar neighborhood was estimated at more than 17 square miles (44 square kilometers).

Alan Barnard watched flames come downhill toward his Lakeview Terrace home and told his wife to grab their 11-month-old grandson and leave. He collected a few possessions and then took his dog and left the quiet cul-de-sac.

When he returned later, a bedroom and his garage were destroyed, but three-quarters of the house remained intact.

"We're pretty much out of the main danger now," he said as he tried to spray hotspots with a garden hose. "We consider ourselves very lucky."

Southern California's gusty Santa Ana winds have long contributed to some of the region's most disastrous wildfires. They blow from the inland West toward the Pacific Ocean, speeding up as they squeeze through mountain passes and canyons.

Nearly 180,000 electrical customers in the Ventura County lost power, and schools in the district were closed. Some firefighting efforts were hampered when pumping stations lost power and hydrants ran dry.

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Melley reported from Los Angeles. Amanda Lee Myers in Ventura and Chris Carlson, Michael Balsamo, Robert Jablon and John Antczak in Los Angeles contributed to this report.